#ifndef DBCFILE_H
#define DBCFILE_H

#include "Defines.h"
#include "ByteConverter.h"

enum DataDefines
{
    FT_NA='x',      //not used or unknown, 4 byte size
    FT_NA_BYTE='X', //not used or unknown, byte
    FT_STRING='s',  //char*
    FT_FLOAT='f',   //float
    FT_INT='i',     //uint32
    FT_BYTE='b',    //uint8
    FT_SORT='d',    //sorted by this field, field is not included
    FT_IND='n',     //the same,but parsed to data
    FT_LOGIC='l'    //Logical (boolean)
};

class DBCFile
{
    public:
        DBCFile();
        ~DBCFile();

        bool Load(const char *filename, const char *fmt);

        class Record
        {
            public:
                float getFloat(size_t field) const
                {
                    assert(field < file.fieldCount);
                    float val = *reinterpret_cast<float*>(offset+file.GetOffset(field));
                    EndianConvert(val);
                    return val;
                }
                uint32 getUInt(size_t field) const
                {
                    assert(field < file.fieldCount);
                    uint32 val = *reinterpret_cast<uint32*>(offset+file.GetOffset(field));
                    EndianConvert(val);
                    return val;
                }
                uint8 getUInt8(size_t field) const
                {
                    assert(field < file.fieldCount);
                    return *reinterpret_cast<uint8*>(offset+file.GetOffset(field));
                }

                const char *getString(size_t field) const
                {
                    assert(field < file.fieldCount);
                    size_t stringOffset = getUInt(field);
                    assert(stringOffset < file.stringSize);
                    return reinterpret_cast<char*>(file.stringTable + stringOffset);
                }

            private:
                Record(DBCFile &file_, unsigned char *offset_): offset(offset_), file(file_) {}
                unsigned char *offset;
                DBCFile &file;

                friend class DBCFile;

        };

        // Get record by id
        Record getRecord(size_t id);
        /// Get begin iterator over records

        uint32 GetNumRows() const { return recordCount;}
        uint32 GetCols() const { return fieldCount; }
        uint32 GetOffset(size_t id) const { return (fieldsOffset != NULL && id < fieldCount) ? fieldsOffset[id] : 0; }
        bool IsLoaded() {return (data!=NULL);}
        char* AutoProduceData(const char* fmt, uint32& count, char**& indexTable);
        char* AutoProduceStrings(const char* fmt, char* dataTable);
        static uint32 GetFormatRecordSize(const char * format, int32 * index_pos = NULL);
    private:

        uint32 recordSize;
        uint32 recordCount;
        uint32 fieldCount;
        uint32 stringSize;
        uint32 *fieldsOffset;
        unsigned char *data;
        unsigned char *stringTable;
};
#endif
